Definition of "co-chaired" [co-chaired]

• Simple past tense and past participle of co-chair. (verb)

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• "A version of this idea has been advanced by a group of experts that was convened by the American Foreign Policy Project and co-chaired by former Ambassador Thomas Pickering and the aforementioned Gary Sick."
• "A friend, confidante and adviser to both Barack and Michelle Obama for more than two decades, Jarrett, 54, followed them to Washington, D.C., after the 2008 election and co-chaired Obama's transition team."
• "Leaders of the PPP, co-chaired by Pakistan President Asif Ali Zardari, say they don't believe the army would go as far as a coup to unseat the government."